Ring clasp and sizer



FIG. 1 is a top perspective view of a ring clasp and sizer showing my new design, the broken lines represent unclaimed portions of the design and form no part thereof;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is an opposing side view of FIG. 3;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is an end view thereof. 

The ornamental design for a ring clasp and sizer, as shown and described. 